Not just a pretty interface "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Generating witty text... Don’t forget to add a fun, relevant call-to-action button to your email. Boost your email opens with a punchy subject line. Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Get creative with emojis in email subject lines to increase open rates!